low voltage withdrawable switchgear cabinet
summary：
new low-voltage withdrawable switchgear for three-phase ac frequency of 50hz, rated working voltage of 400v (690v), rated current 4000a and below the hair, power supply system, as power, power distribution and motor centralized control, the capacitor compensation use. widely used in power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other places, this product meets the gb7251.1, jb / t9661 standards.
conditions of use
indoor temperature: not lower than -5 ℃, not higher than + 40 ℃, the daily average of not more than + 35 ℃
altitude: not exceed 2000m
relative humidity: + 40 ℃ not more than 50, a lower temperature allows a higher relative humidity (up to 90% when the ambient temperature is 20 ℃).
basic earthquake intensity: no more than 7 degrees
structural characteristics：
(1) new hand-agency, multi-lap effort to roll forward mode, for easy, flexible and steady advance out of the drawer, has a three-position mechanical positioning, display, and with a "click" sound prompts, the advance 630a three poles, four poles scheme drawer easy and flexible; closing interlock buckle with a reset function again, promoting the principles and mechanism interlocking mechanism for domestic and foreign advanced technology industries
(2) or three-position nrk propulsion unit drawer interlock mechanism is applied with a three-position lock, display, interlock closing position of the auxiliary power supply function, and then switch button reset function.
(3) new three-position small chain propulsion mechanism used in 1 / 2,1 / 4 drawer unit with three-position lock, display, interlock closing position of the auxiliary power supply function, and then switch button reset function. the real test position, shunt trip and undervoltage trip reset button again.
(4) new propulsion drawer interlock mechanism has a separate test, the connection position machinery, electrical contacts and the position synchronization.
cabinet process characteristics：
(1) part of the cabinet: all operating personnel may be exposed to all parts pour r angle angle section to prevent virtually scratch wounding; improved bus frame mounting bus more convenient, more beautiful appearance; that is installed on the roof ventilation has deleted anti-drip function;
(2) part drawer: drawer double hemming positioning groove rivet riveting process, all parts are die once again, truly 100% interchangeable drawers, simultaneous two-fold, rivet technology to solve the glitch plate, screw tip confession injury hand defects.
1. cabinet size:
high cabinet: 2200mm
cabinet width: 600mm / 800mm / 1000mm / 1200mm
cabinet depth: 800mm / 1000mm
(4) degree of protection: ip40
this series can be realized and the cabinet on the market to replace the current standard mns, improved mns, standard gcs, modified gcs, gck all programs and functions
